Claims
- 1. A compound of the formula �1!: ##STR182## wherein R.sup.1 is a lower alkyl group or a lower alkyl group substituted by a hydroxy group,
- R.sup.2 is a hydrogen atom or a lower alkyl group,
- X is an oxygen atom, a sulfur atom or NH,
- Y is a nitrogen atom or a carbon atom,
- n is 0 when Y is a nitrogen atom, or n is 1 when Y is a carbon atom,
- Zs are each independently a) a hydrogen atom; b) R.sup.a (R.sup.a is a lower alkyl group, a substituted lower alkyl group or a substituted lower alkenyl group); c) A (A is an aryl group, a substituted aryl group or a 5- to 6-membered cyclic amino group); d) --OH or --OP.sup.a (P.sup.a is a protecting group for hydroxy group); e) --OR.sup.a (R.sup.a is the same as defined above); f) --OA (A is the same as defined above); g) --SR.sup.a (R.sup.a is the same as defined above); h) --SA (A is the same as defined above); i) --NH.sub.2 or --NHP.sup.b (P.sup.b is a protecting group for amino group); j) --NHR.sup.a, --N(R.sup.b)R.sup.c or --N(R.sup.a)P.sup.b (R.sup.a and P.sup.b are the same as defined above, R.sup.b and R.sup.c are a lower alkyl group or a substituted lower alkyl group, or R.sup.b and R.sup.c may combine together with the nitrogen atom to form a 5- to 6-membered heterocyclic group, said heterocyclic group optionally containing other 1 or 2 heteroatoms selected from an oxygen atom, a sulfur atom and a nitrogen atom, and having optionally a substituent); k) --NHA or --N(A)P.sup.b (A and P.sup.b are the same as defined above); l) --N(R.sup.a)A (A and R.sup.a are the same as defined above); m) --CONH.sub.2 ; n) --CONHRa, --CON(R.sup.b)R.sup.c (R.sup.a,R.sup.b and R.sup.c are the same as defined above); o) --CONHA (A is the same as defined above); p) --CON(R.sup.a)A (A and R.sup.a are the same as defined above); q) --CONHC(NH)NH.sub.2 or --CONHC(NP.sup.b)NHP.sup.b (P.sup.b is the same as defined above); r) --COOH or --COOP.sup.c (P.sup.c is a protecting group for carboxyl group); s) --COOR.sup.a (R.sup.a is the same as defined above); t) --COOA (A is the same as defined above); u) --COR.sup.a (R.sup.a is the same as defined above); v) --COA (A is the same as defined above); w) a halogen atom; or x) a cyano group, or a pharmaceutically acceptable salt thereof or a non-toxic ester thereof.
- 2. The compound according to claim 1, wherein X is a sulfur atom, or a pharmaceutically acceptable salt thereof or a non-toxic ester thereof.
- 3. The compound according to claim 1, which is a compound of the formula �1-a!: ##STR183## wherein R.sup.1, R.sup.2 and A are the same as defined above, and Y.sup.1 is N or CH, or a pharmaceutically acceptable salt thereof, or a non-toxic ester thereof.
- 4. The compound according to claim 3, wherein R.sup.1 is a 1-(R)-hydroxyethyl group, or a pharmaceutically acceptable salt thereof or a non-toxic ester thereof.
- 5. The compound according to claim 4, wherein Y.sup.1 is CH, or a pharmaceutically acceptable salt thereof or a non-toxic ester thereof.
- 6. A process for producing a .beta.-lactam compound of the formula �1!: ##STR184## wherein R.sup.1 is a lower alkyl group or a lower alkyl group substituted by a hydroxy group,
- R.sup.2 is a hydrogen atom or a lower alkyl group,
- X is an oxygen atom, a sulfur atom or NH,
- Y is a nitrogen atom or a carbon atom,
- n is 0 when Y is a nitrogen atom, or n is 1 when Y is a carbon atom,
- Zs are each independently a) a hydrogen atom; b) R.sup.a (R.sup.a is a lower alkyl group or a substituted lower alkyl group); c) A (A is an aryl group or a substituted aryl group); d) --OH or OP.sup.a (P.sup.a is a protecting group for hydroxy group); e) --OR.sup.a (R.sup.a is the same as defined above); f) --OA (A is the same as defined above); g) --SR.sup.a (R.sup.a is the same as defined above); h) --SA (A is the same as defined above); i) --NH.sub.2 or --NHP.sup.b (P.sup.b is a protecting group for amino group); j) --NHR.sup.a, --N(R.sup.b)R.sup.c or --N(R.sup.a)P.sup.b (R.sup.a and P.sup.b are the same as defined above, R.sup.b and R.sup.c are a lower alkyl group or a substituted lower alkyl group, or R.sup.b and R.sup.c may combine together with the nitrogen atom to form a 5- to 6-membered heterocyclic group, said heterocyclic group optionally containing other 1 or 2 heteroatoms selected from an oxygen atom, a sulfur atom and a nitrogen atom, and having optionally a substituent); k) --NHA or --N(A)P.sup.b (A and P.sup.b are the same as defined above); l) --N(R.sup.a)A (A and R.sup.a are the same as defined above); m) --CONH.sub.2 ; n) --CONHR.sup.a, --CON(R.sup.b)R.sup.c (R.sup.a, R.sup.b and R.sup.c are the same as defined above); o) --CONHA (A is the same as defined above); p) --CON(R.sup.a)A (A and R.sup.a are the same as defined above); q) --CONHC(NH)NH.sub.2 or --CONHC(NP.sup.b)NHP.sup.b (P.sup.b is the same as defined above); r) --COOH or --COOPC (P.sup.c is a protecting group for carboxyl group); s) --COOR.sup.a (R.sup.a is the same as defined above); t) --COOA (A is the same as defined above); u) --COR.sup.a (R.sup.a is the same as defined above); v) --COA (A is the same as defined above); w) a halogen atom; or x) a cyano group, or a pharmaceutically acceptable salt thereof or a non-toxic ester thereof, which comprises reacting a compound of the formula �2!: ##STR185## wherein R.sup.2 is the same as defined above, R.sup.1 a is a lower alkyl group, a lower alkyl group substituted by a hydroxy group, or a lower alkyl group substituted by a hydroxy group protected by a protecting group, R.sup.3 is a protecting group for carboxyl group, L is an active ester of hydroxy group, with a compound of the formula �3!: ##STR186## wherein X, Y, Z and n are the same as defined above, in the presence of a base, or reacting the compound of the formula �2! with a thiolate salt of the compound of the formula �3!, to give a compound of the formula �4!: ##STR187## wherein R.sup.1a, R.sup.2, R.sup.3, X, Y, Z and n are the same as defined above, followed by removing the protecting group for hydroxy group for R.sup.1a and/or removing the protecting group for carboxyl group represented by R.sup.3.
- 7. The compound according to claim 1, wherein the 5- to 6-membered heterocyclic group formed when R.sup.b and R.sup.c combined together with the nitrogen atom is selected from the group consisting of aziridinyl, azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl, homopiperazinyl, imidazolinyl, imidazolidinyl, morpholinyl and thiamorpholinyl.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-171073 |
Jun 1993 |
JPX |
|
Parent Case Info
This Application is a 371 of PCT/JP94/00958 Jun. 14 1994
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/JP94/00958 |
6/14/1994 |
|
|
12/14/1995 |
12/14/1995 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO94/29313 |
12/22/1994 |
|
|
US Referenced Citations (3)
Foreign Referenced Citations (6)
Number |
Date |
Country |
0010317 |
Apr 1980 |
EPX |
0017992 |
Oct 1980 |
EPX |
0071908 |
Feb 1983 |
EPX |
0160876 |
Nov 1985 |
EPX |
61-5081 |
Jan 1986 |
JPX |
63-63680 |
Mar 1988 |
JPX |